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Home Tech

Preserving satellite broadband access in South Africa

The Exchange by The Exchange
June 18, 2022
in Africa, South Africa, Tech
Reading Time: 3 mins read
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The importance of reliable and inexpensive telecommunications services to South Africa’s economic and social stability has never been greater.

Reliable and affordable telecom services have never been more vital to our national economic and social resilience.

That is why, across Africa and throughout the globe, national leaders and policymakers are prioritising the preservation of satellite broadband access – and why South Africa needs to keep pace with the rest of the world on this critical issue.

Also read: 5 South Africa mining companies adopting solar energy

The technical details are relatively simple: the most widely useful and applicable satellite services are provided using the Ka-band, also known more widely as the “28 GHz band”.

What kind of useful services?

  • Reducing “digital deserts” by bringing broadband internet connectivity to unserved and underserved communities.
  • Ensuring near-ubiquitous access and vastly improved quality across the most densely populated urban areas. Among other benefits, the 28 GHz band lets satellite operators deliver the capability to pinpoint configurations of access when demand is at its peak.
  • Reducing constraints on access by delivering a wider range of price choices and service options. The 28 GHz band also lets satellite companies pass along its lower costs of transferring to consumers.
  • Powering economic development through new connectivity services for expanding market segments, such as land, air and maritime transport routes.

On top of all that, equipment costs for satellite systems using the 28 GHz band are also more affordable, smaller in size and widely available.

Also read: South Africa still benchmark for development despite challenges – APRM

All those benefits are at risk, because some “terrestrial” telecoms equipment manufacturers and providers are trying to take the 28 GHz band for themselves.

Do they need to? Absolutely not. Terrestrial operators have more than enough other spectra to accommodate 5G mobile service. Additionally, the 28 GHz band is not being used globally for 5G.

Governments, Apple and consumers in other parts of the world are not prioritising 5G networks using the 28 GHz. Those that have in the past, including the United States, are now shifting their focus due to the high costs of new antennas and handsets: terrestrial telecoms companies would need thousands or millions of new towers, making 5G networks using the 28 GHz band unrealistic, while lower-frequency bands require far fewer towers.

The reality is that terrestrial telecom providers can easily be accommodated in the 26 GHz band as it offers 3.25 gigahertz to accommodate them. There are also mid-and low bands becoming available for 5G.

So what are these terrestrial telecoms’ claims to the 28 GHz band? Not much more than an attempt to eliminate competing companies – satellite broadband companies – that have a proven history (and a future) of offering tangible benefits in accessibility, service, cost and socio-economic development.

Also read: South Africa zeroes in on youth unemployment

The rest of the world has taken the position that the 28 GHz band should be preserved for satellite broadband access. Precisely because 5G has multiple substitute bands and large amounts of spectrum available already, countries have prioritised the entire 28 GHz band without fragmenting it or splitting it with 5G services. Most of Africa, the entire European Union, Latin American nations, Australia, China, and UAE have now protected the 28 GHz band for satellite services. The US has recently moved to focus on low- and mid-bands for 5G because of the better propagation characteristics in those bands.

There are also economic and even national-security downsides to not preserving the 28 GHz band for satellite broadband access, which would lead to costly and complicated arrangements, especially given that 5G systems are incompatible with satellite services in the 28 GHz band and that the 28 GHz band is ubiquitously used around the globe by satellite operators, which has implications for commerce, travel, accurate weather forecasting and national security.

The solution is as simple as the benefits are clear – South Africa should make the right decision today, follow the African and global trends, and preserve the 28 GHz band for satellite services to get the benefits of satellites in the 28 GHz band while retaining the value of 5G in other globally harmonised bands.

Related

Source: The Exchange
Tags: 5G systemsaccurate weather forecastingcommerceFeaturenational securityPreserving satellite broadband access in South Africasatellite operatorssatellite servicessatellite systemssocio-economic developmentSouth AfricaSouth Africa's economicTechtelecom servicestelecommunications servicesTravelюжная-африкаجنوب-أفريقيا南アフリカ南非
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The Exchange

The Exchange

News analysis and comment from the The Exchange, a leading publication providing economic news and analysis on the capital markets of Africa, with a specific interest in Kenya, Uganda, Tanzania, Rwanda, Burundi, Ethiopia and Congo. We provide features in banking, capital markets, energy, mining, manufacturing and industrial development.

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